Home / 14,122.60-21,183.90-3,592.60

Finding the Fourth Proportional to 14,122.60, 21,183.90 and 3,592.60

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Solution

The fourth proportional to 14,122.60, 21,183.90 and 3,592.60 is: 5,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.60 : 21,183.90 = 3,592.60 : x
  2. Step 2: Convert to fraction form
    14,122.60/21,183.90 = 3,592.60/x
  3. Step 3: Cross multiply
    14,122.60x = 21,183.90 × 3,592.60
  4. Step 4: Simplify right side
    14,122.60x = 76,105,279.14
  5. Step 5: Solve for x
    x = 76,105,279.14/14,122.60
  6. Step 6: Final answer
    x = 5,388.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.